133081135 has 16 divisors (see below), whose sum is σ = 175947552. Its totient is φ = 95824000.

The previous prime is 133081133. The next prime is 133081139. The reversal of 133081135 is 531180331.

It is not a de Polignac number, because 133081135 - 2¹ = 133081133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133081133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6424 + ... + 17533.

It is an arithmetic number, because the mean of its divisors is an integer number (10996722).

Almost surely, 2^133081135 is an apocalyptic number.

133081135 is a deficient number, since it is larger than the sum of its proper divisors (42866417).

133081135 is a wasteful number, since it uses less digits than its factorization.

133081135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24074.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 133081135 is about 11536.0797067288. The cubic root of 133081135 is about 510.5506483611.

The spelling of 133081135 in words is "one hundred thirty-three million, eighty-one thousand, one hundred thirty-five".